Average Co-Inventor Count = 4.29
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Toyota Jidosha Kogyo Kabushiki Kaisha (3 from 1,838 patents)
3 patents:
1. 4285909 - Catalyst assembly for cleaning an exhaust gas
2. 4069284 - Anti-vibration heat-insulation structure and a process for production
3. 3988161 - Foamed sodium silicate ceramic and method of manufacturing the same